<template>
  <view class="icon-container">
    <uni-icons type="contact" size="100" color="#AFAFAF"></uni-icons>
    <button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
    <text class="tips-text">登陆后尽享更多权益</text>
  </view>
</template>

<script>
  import {mapMutations} from 'vuex'
  export default {
    name:"my-login",
    data() {
      return {
        
      }
    },
    methods:{
      ...mapMutations('m_user',['updateUserInfo','updateToken'])
      ,
      //获取用户的基本信息
      getUserInfo(e){
         if(e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消了登陆授权！')
               this.updateUserInfo(e.detail.userInfo)
               this.getToken(e.detail)        
      },
     async getToken(info){
        //获取code对应的值
       const [err,res] = await uni.login().catch(err => err)
       if(err ||res.errMsg !== 'login:ok') return uni.$showMsg('登陆失败')
       //准备参数
       const query = {
        code: res.code,
        					encryptedData: info.encryptedData,
        					iv: info.iv,
        					rawData: info.rawData,
        					signature: info.signature
       }
       const {data: loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
       if(loginResult.meta.status != 200){
         return uni.$showMsg('登陆失败！')
       }
       //直接把token保存到vuex中
       this.updateToken(loginResult.message.token)
      }
    }
  }
</script>

<style lang="scss">
.icon-container{
  height: 750rpx;
  background-color: #F8F8F8;
  display: flex;
  flex-direction: column;
  justify-content: center;
align-items:center;
overflow: hidden;


  .btn-login{
    border-radius: 100px;
    margin: 15px 0;
  }
  .tips-text{
    font-size: 12px;
    color: gray;
  }
}
</style>